Perhaps you should try some spelling variations:
teaching resource » teaching resources, teaching research, learning resource
resource series » resources series, resource theories, resource studies
re determining » area determining, _ determining, 3 determining
re teaching » we teaching, race teaching, obe teaching
refugee » refugees

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( re teaching resource series. ) OR ( re determining refugee students. ))~.
• Adding a wildcard symbol may retrieve word variants: (( re teaching resource series. ) or ( re determining refugee students. ))*.